M:tG card similarity search
3 · Artifact
As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Urza's Incubator | 3 | Artifact | As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast. |
| Glistening Sphere | 3 | Artifact | Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters. |
| Oracle of Bones | 2RR | Creature — Minotaur Shaman | Haste Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.) When Oracle of Bones enters the battlefield, if tribute wasn't paid, you may cast an instant or sorcery spell from your hand without paying its mana cost. 3/1 |
| Umori, the Collector | 2B/GB/G | Legendary Creature — Ooze | Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) As Umori, the Collector enters the battlefield, choose a card type. Spells you cast of the chosen type cost {1} less to cast. 4/5 |
| Callaphe, Beloved of the Sea | 1UU | Legendary Enchantment Creature — Demigod | Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast." */3 |
| Rumbleweed | 10G | Creature — Plant Elemental | This spell costs {1} less to cast for each land card in your graveyard. Vigilance, reach, trample When Rumbleweed enters the battlefield, other creatures you control get +3/+3 and gain trample until end of turn. 8/8 |
| Zaxara, the Exemplary | 1BGU | Legendary Creature — Nightmare Hydra | Deathtouch {T}: Add two mana of any one color. Whenever you cast a spell with {X} in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it. 2/3 |
| Delirium Skeins | 2B | Sorcery | Each player discards three cards. |
| Secret Base | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base. | |
| Hand of Emrakul | 9 | Creature — Eldrazi | You may sacrifice four Eldrazi Spawn rather than pay this spell's mana cost. Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.) 7/7 |